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1982 LMC Cu Alloy Vs. Cu-Plated Zn Mintage Numbers

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Valued Member
United States
110 Posts
 Posted 05/01/2016  2:32 pm  Show Profile   Bookmark this reply Add pocketchange2 to your friends list Get a Link to this Reply
Thanks for your response to my 1982 Lincoln Cent production project.
If you would like to add to my efforts, could you please let me know (a) the size of your 1982 collection, (b) the nearest Federal Reserve Bank to the commercial/geographic area that most of this sample of 1982's was collected in, and if you already compiled the break-down; the quantities of each of the seven 1982 varieties.
For the Dayton, Ohio area (considering the 1542 counted, 1982 Lincoln's in my 45 year-old piggy bank) the 1982-P SD Copper is in the lead as the least minted amount.
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GoldenChest's Avatar
United States
814 Posts
 Posted 05/01/2016  3:27 pm  Show Profile   Bookmark this reply Add GoldenChest to your friends list Get a Link to this Reply
I usually have a 60/40 copper zinc ratio out here in the Midwest over 5 yrs of searching.
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florida's Avatar
United States
417 Posts
 Posted 05/13/2016  3:39 pm  Show Profile   Bookmark this reply Add florida to your friends list Get a Link to this Reply
These numbers are from February 2013, and I haven't updated them on here (in my original thread). The majority of this tally was saved and bagged from Orlando, FL prior to my June 2012 move to South San Francisco.

Philadelphia:
Large Date Copper - 1,692
Large Date Zinc - 424
Small Date Copper - 171
Small Date Zinc - 94

Denver:
Large Date Copper - 509
Large Date Zinc - 25
Small Date [Zinc] - 57
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BadThad's Avatar
United States
19949 Posts
 Posted 05/13/2016  9:04 pm  Show Profile   Bookmark this reply Add BadThad to your friends list Get a Link to this Reply
WOW! 171 small date coppers? How positive are you about that? It would be HIGHLY unusual.
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Valued Member
United States
110 Posts
 Posted 05/13/2016  9:46 pm  Show Profile   Bookmark this reply Add pocketchange2 to your friends list Get a Link to this Reply
"WOW! 171 small date coppers? How positive are you about that? It would be HIGHLY unusual."
What method did you use to sort the zinc and coppers?

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mdrosophila's Avatar
United States
724 Posts
 Posted 05/13/2016  9:59 pm  Show Profile   Bookmark this reply Add mdrosophila to your friends list Get a Link to this Reply
weight them on a scale.
Zinc weights 2.5 g and copper 3.1 g
Valued Member
United States
110 Posts
 Posted 05/14/2016  3:50 pm  Show Profile   Bookmark this reply Add pocketchange2 to your friends list Get a Link to this Reply
Your count for the 1982-P SD Copper is very much out of line with the results of this survey, so far received.
Would it be still possible for you to re-evaluate your count if you still have that collection?

Check out the results by "silver1985" in Lincoln Cent Forum thread entitled: "1982 Lincoln Cent production quantities challenge question", and especially the image/chart entitled: "1982 Lincoln Cent population sampling.jpg (57.0 KB)", in that thread discussion.

Also, I would be interested in how you collected so many 1982 Lincoln Cents.
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florida's Avatar
United States
417 Posts
 Posted 05/17/2016  01:51 am  Show Profile   Bookmark this reply Add florida to your friends list Get a Link to this Reply
I bought a $10 scale online and use that to weigh them. The stick method seems to take too long, and I am wired to do repetitive motions pretty quick, so I sort by weight first then by variety. I do still have the Small Date Coppers, as I'm hoarding all the coppers, ha ha, but have to find the ones that were counted. I am pretty positive about the result. That is only 265 small date Philadelphia coins out of 2,000+ for the large date. They are NOT common at all from that tally alone.

I got so many of them because being infatuated with the 1982 and 1974 varieties and wanting more answers about mintage numbers, I have saved every single 1982 I come across in my rolls at work as a cashier for the past 5 years. And I'll buy penny rolls from my bank bag to go through them, and not including the boxes I've gone through in the past. Even out here at SFO, I do find a lot of 1982 pennies but Small Dates are scarce.
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florida's Avatar
United States
417 Posts
 Posted 05/17/2016  01:56 am  Show Profile   Bookmark this reply Add florida to your friends list Get a Link to this Reply
Don't forget, I lived in Florida with this count of 171 Small Date Coppers. It's tourists from all over who visit, and snowbirds who live part time, plus the people who move to the state in a year's time...and they may have brought those pennies from where ever (I did come across CWR with wheats inside in the past, anything is possible). I think I started saving them when I worked at 7-11 in 2008 for a year, and it grew from that.
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GR58's Avatar
United States
11951 Posts
 Posted 05/17/2016  06:24 am  Show Profile   Bookmark this reply Add GR58 to your friends list Get a Link to this Reply
Interesting old thread. Very good read.

I have to stop now ... I don't want to spend the day
counting mine.
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BadThad's Avatar
United States
19949 Posts
 Posted 05/17/2016  10:31 am  Show Profile   Bookmark this reply Add BadThad to your friends list Get a Link to this Reply
OK florida, if you're weighing, then I trust your results. The alarm in my head went off because I usually see more SDZ than SDC in my searching. In my area, the SDC are scarce and that is the general consensus from others research.

Thanks for posting your results!
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BadThad's Avatar
United States
19949 Posts
 Posted 05/17/2016  10:35 am  Show Profile   Bookmark this reply Add BadThad to your friends list Get a Link to this Reply
Just calculated the percentages based off your numbers:

5.7% SDC
5.1% SDZ

Also, what we could be seeing is due to the higher attrition rate of zincs. The coppers just last longer. With 34 years in circulation, the zincs becoming toast.
Lincoln Cent Lover!
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Edited by BadThad
05/17/2016 10:36 am
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